Display box



FIG. 1 is a perspective view of a display box showing my new design;

FIG. 2 is a front elevational view thereof; the broken line showing a shoe insole is for illustrative purpose only and forms no part of the claims;

FIG. 3 is a left side elevational view of the display box of FIGS. 1-2;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a display box, as shown and described. 